136906242119 has 4 divisors (see below), whose sum is σ = 137726040144. Its totient is φ = 136086444096.

The previous prime is 136906242113. The next prime is 136906242131. The reversal of 136906242119 is 911242609631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136906242119 - 2²⁴ = 136889464903 is a prime.

It is a super-2 number, since 2×136906242119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136906242119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136906242113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409898762 + ... + 409899095.

It is an arithmetic number, because the mean of its divisors is an integer number (34431510036).

Almost surely, 2^136906242119 is an apocalyptic number.

136906242119 is a deficient number, since it is larger than the sum of its proper divisors (819798025).

136906242119 is an equidigital number, since it uses as much as digits as its factorization.

136906242119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819798024.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 136906242119 in words is "one hundred thirty-six billion, nine hundred six million, two hundred forty-two thousand, one hundred nineteen".